Finding the Third Proportional to 21,543.75 and 31,029.31

Step by Step Solution

1. Step 1: Write the proportion equation
   21,543.75 : 31,029.31 = 31,029.31 : x
2. Step 2: Convert to fraction form
   21,543.75/31,029.31 = 31,029.31/x
3. Step 3: Cross multiply
   21,543.75x = 31,029.31 × 31,029.31
4. Step 4: Simplify right side
   21,543.75x = 962,818,234.22
5. Step 5: Solve for x
   x = 962,818,234.22/21,543.75
6. Step 6: Final answer
   x = 44,691.30